Signal doob-bolt



NTE STATES PATENT OFFICE.

CHARLES PAGE, OB WEST MERID'EN, CONNECIICU'I.

SIGNAL DOOBBOLT.

Specification of Letters Patent N0. 24,051, dated 1V[ay 17, 1859.

T0 all whom 'it may concern:

Be it known that I, C. PAGE, of West Meriden, in the county 0f New IIaven ancl State of Connecticut, have invented a neW und useful Improvement in Signal D001"- Bolts; ancl I 010 hereby declare that the following is a full, clear, and exact description 0f the sarne, reference being had t0 the annexed drawing, forming part 0f this specification, in the several figures o-f Whi0h sinnilar characters 0f reference denote the san1e part.

Figure l is a vievv of C1001 with my Signal attachecl showing Ehe room to be occupied. Fig. 2 is view 0f the Same showing the roorn 130 be unoccup1ed. Fig. 3 is a detached view of a section of door frame and (1001 showing the mechanism 0f my signal.

The nature of my invention consists in a stationary key Which moves the b0lt and the shaft of which extends through the door t0 the outside of it', where there is a circular plate through the center of Which the shaft of the key passes und 0n the encl of seid shaft there is a semicircular 13late covering half 0f the plate 011 the door, there is also a rim extending around the outside edge of them both. The plate connected to the door has the words occupied on the lower, and welk in 0n the top part so that the person inside the room turning the key bolts the C1001 anc1 ab the sanne ti1ne the semicircu- 1ar plate is turnecl arouncl bv the moving of the key leaving occupied exposed t0 view thus showing that sonne 0ne is in the room, on unbolting the d0or zwain the plate 0n the key shaft is turned back again and Walk in is visible, shovving the room 120 be unoccupied.

In the draw1ng A is the (1001, B the door frame, C the latch, D the bolt E the key ehe shmft of which extends through the door and has the semicircular plate r, attached t0 tho end, I-I is the plate fastenecl to the door, G is the rim around the edges 0f the two plates, and k, 7c, are the C1001 knobs.

By turning the key E the holt D is moved und t-he door is locked and at the sarne sinne the platze F is turned around and the Word 0ccupied is shown and on unbolting the do-or again the turning back of the key the plate F is thrown into its former position and covering up the Word occupied leaves the words walk in visible thus telling whether the d00r is bolted 013 not.

I d0 not claim broadly the making of a signal by the movement of the b01t. N01 d0 I clai1n any 0f the parts 0f my c0nstruction sepa'mrately considered. But

I claim- Passing the pin which moves the holt through the door anal permanently fixing to the projecting extremity thereof a segmencal plate, so as to overlay the fixed Symbol plateand in the manner set forth 0011111111- nicate the desired intellinence In testimony whereof I have hereunt0 signed my name before two subscribing witnesses.

CHARLES PAGE.

WVitnesses:

ORVILLE H. PLATZ, E. LEWIS BULL. 

